Finding the Fourth Proportional to 4,947.60, 7,392.32 and 4,775.32

Step by Step Solution

1. Step 1: Write the proportion equation
   4,947.60 : 7,392.32 = 4,775.32 : x
2. Step 2: Convert to fraction form
   4,947.60/7,392.32 = 4,775.32/x
3. Step 3: Cross multiply
   4,947.60x = 7,392.32 × 4,775.32
4. Step 4: Simplify right side
   4,947.60x = 35,300,693.54
5. Step 5: Solve for x
   x = 35,300,693.54/4,947.60
6. Step 6: Final answer
   x = 7,134.91